On May 7, 1981, influential physicist Richard Feynman gave a keynote speech at Caltech. Feynman opened his talk by politely rejecting the very notion of a keynote speech, instead saying that he had ...

Quantum hardware has finally crossed a psychological threshold: it is no longer a science project in search of a purpose, it ...

Optical quantum computers are gaining attention as a next-generation computing technology with high speed and scalability. However, accurately characterizing complex optical processes, where multiple ...

Until D-Wave starts manufacturing its quantum computing systems at a large scale for commercial clients, its stock is trading ...

There are currently about 80 companies across the world manufacturing quantum computing hardware. Because I report on quantum computing, I have had a chance to watch it grow as an industry from up ...

A gold superconducting quantum computer hangs against a black background. Quantum computers, like the one shown here, could someday allow chemists to solve problems that classical computers can’t.

Scientists still do not understand why we have subjective experiences or awareness. This is known as the “hard problem” of consciousness. One company is testing a theory of consciousness using a robot ...

Russian scientists have created the country’s first ion-based quantum computer using a new type of quantum unit that works with seven energy levels, ...

Quantum computers promise unprecedented computing speed and power that will advance both business and science. These same ...

A "winner-take-all scenario" is possible, said JPMorgan in a report on quantum computing stocks that looked at IBM, Google ...

Overview Quantum computing is a long-term concern for Bitcoin, not an immediate threat, as current machines lack the scale ...